[PATCH] switch all filesystems over to d_obtain_alias

[linux-2.6-omap-h63xx.git] / fs / ext2 / namei.c

diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 4ca8249853219cbee8529031e8602052cda46db2..a1b328ab1e55d52877fb814db852d74f019533e7 100644 (file)
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -63,9 +63,9 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
        ino = ext2_inode_by_name(dir, dentry);
        inode = NULL;
        if (ino) {
-               inode = iget(dir->i_sb, ino);
-               if (!inode)
-                       return ERR_PTR(-EACCES);
+               inode = ext2_iget(dir->i_sb, ino);
+               if (IS_ERR(inode))
+                       return ERR_CAST(inode);
        }
        return d_splice_alias(inode, dentry);
 }
@@ -73,8 +73,6 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
 struct dentry *ext2_get_parent(struct dentry *child)
 {
        unsigned long ino;
-       struct dentry *parent;
-       struct inode *inode;
        struct dentry dotdot;
 
        dotdot.d_name.name = "..";
@@ -83,16 +81,7 @@ struct dentry *ext2_get_parent(struct dentry *child)
        ino = ext2_inode_by_name(child->d_inode, &dotdot);
        if (!ino)
                return ERR_PTR(-ENOENT);
-       inode = iget(child->d_inode->i_sb, ino);
-
-       if (!inode)
-               return ERR_PTR(-EACCES);
-       parent = d_alloc_anon(inode);
-       if (!parent) {
-               iput(inode);
-               parent = ERR_PTR(-ENOMEM);
-       }
-       return parent;
+       return d_obtain_alias(ext2_iget(child->d_inode->i_sb, ino));
 } 
 
 /*
@@ -326,7 +315,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
                ext2_set_link(new_dir, new_de, new_page, old_inode);
                new_inode->i_ctime = CURRENT_TIME_SEC;
                if (dir_de)
-                       new_inode->i_nlink--;
+                       drop_nlink(new_inode);
                inode_dec_link_count(new_inode);
        } else {
                if (dir_de) {
@@ -373,7 +362,7 @@ out:
        return err;
 }
 
-struct inode_operations ext2_dir_inode_operations = {
+const struct inode_operations ext2_dir_inode_operations = {
        .create         = ext2_create,
        .lookup         = ext2_lookup,
        .link           = ext2_link,
@@ -393,7 +382,7 @@ struct inode_operations ext2_dir_inode_operations = {
        .permission     = ext2_permission,
 };
 
-struct inode_operations ext2_special_inode_operations = {
+const struct inode_operations ext2_special_inode_operations = {
 #ifdef CONFIG_EXT2_FS_XATTR
        .setxattr       = generic_setxattr,
        .getxattr       = generic_getxattr,